code: def main():
      global args
      args = parse_args()
      train_net(args)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import sys
  import math
  import random
  import logging
  import pickle
  import sklearn
  import numpy
  from image_iter import get_face_image_iter
  import mxnet
  from mxnet import ndarray
  import argparse
  import mxnet.optimizer
  import flops_counter
  from config import config, default, generate_config
  import verification
  import fresnet
  import fmobilefacenet
  import fmobilenet
  import fmnasnet
  import fdensenet
  import vargfacenet
label_desc: Use image node_id 5 for calling a global function with example usage: main() without return types